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Large Forging Double Helical Gear
Products Description
A double helical gear(herringbone gear) is a type of gear that consists of two parallel helical gears with opposite helix angles, which are connected by a central web. The helix angle refers to the angle between the gear's teeth and its axis of rotation.
Double helical gears are also known as herringbone gears, due to their resemblance to the bones of a herring fish. They are designed to provide smooth and quiet operation, as the opposing helices of the gears cancel out the axial forces and minimize the axial thrust that is created by a single helix gear.
Double helical gears are commonly used in heavy-duty applications, such as in the automotive, marine, and power generation industries. They are often used in high-speed applications because of their ability to handle high loads and transmit high torque. They are also used in applications where accuracy and precision are important, such as in machine tools and robotics.
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Advantages of double helical gear
►Medium carbon steel: such as 45 steel, etc., after quenching and tempering treatment, it has certain strength and toughness, can meet the use requirements of double helical gears under general working conditions, and the price is relatively low, and the processing performance is good.
►Medium carbon alloy steel: such as 40Cr, 42CrMo, etc., has high strength, toughness and wear resistance. After appropriate heat treatment, it can obtain good comprehensive mechanical properties, suitable for double helical gears with large loads, such as heavy machinery, metallurgical equipment and other fields.
►Carburizing steel: 20CrMnTi is a typical carburizing steel. After carburizing and quenching treatment, the gear surface has high hardness and high wear resistance, while the core maintains good toughness and can withstand impact loads. It is often used in occasions with high requirements for gear performance in industries such as automobiles and machine tools.
►Cast iron: including gray cast iron and ductile iron. Gray cast iron has good casting performance, shock absorption and wear resistance, and is often used for some low-speed and light-load double helical gears with low requirements for precision and load. The mechanical properties of ductile iron are better than those of gray cast iron. It has higher strength and toughness. It can be used to replace part of medium carbon steel to manufacture gears and is widely used in some general machinery.
Machinery processing
main functions
Power Transmission:
Gears, including double helical gears, are commonly used to transmit power between two shafts. The double helix design provides smoother and more balanced power transmission compared to a single helix or spur gear. This can help reduce vibration and noise.
Load Distribution:
Double helical gears are known for their ability to distribute loads more evenly across the teeth. The helical shape allows for gradual engagement of teeth, reducing the impact and wear associated with sudden contact common in spur gears.
Reduced Vibration and Noise:
The double helix design contributes to a smoother operation by balancing axial thrust forces. This leads to reduced vibration and noise during gear operation, making them suitable for applications where quiet and smooth operation is crucial.
High Torque Transmission:
Large double helical gears are often used in applications requiring the transmission of high torques. The helical design helps in distributing the load, which is especially beneficial in heavy-duty applications.
High Precision:
The helical nature of the gears allows for higher precision in gear engagement, making them suitable for applications where precise motion control is required.
Gearbox Applications:
Double helical gears are commonly found in gearboxes used in various industries, including power generation, mining, and heavy machinery. They are employed in situations where reliable and efficient power transmission is essential.
Axial Thrust Compensation:
The double helical design helps to compensate for axial thrust forces generated during gear operation. This is achieved by the opposing helix angles on each gear, which counteract each other's axial thrust.
Durability and Longevity:
The design of double helical gears contributes to their durability and longevity, especially in high-load and high-torque applications. The gradual tooth engagement and load distribution help minimize wear and extend the lifespan of the gears.
Application areas
►Industrial Machinery: Double helical gears are often used in heavy-duty industrial machinery such as turbines, compressors, and generators, where high loads and torque transmission are required.
►Automotive Industry: Double helical gears are used in automotive transmissions, where they provide smooth and quiet operation and high torque transmission.
►Marine Industry: Double helical gears are used in marine propulsion systems, where they provide high load capacity and efficiency.
►Robotics: Double helical gears are used in precision robotics, where accuracy and smooth operation are critical.
►Machine Tools: Double helical gears are used in precision machine tools such as milling machines, where high accuracy and stability are required.
►Aerospace Industry: Double helical gears are used in aerospace applications such as helicopter transmissions, where high load capacity and smooth operation are critical.
Contact us
Do you have any specific questions about the design and manufacture of double helical gears , gears , larg gear ring ? Contact Yogie! Our sales engineers will work with you from start to finish to ensure that your project is completed to your requirements.
tel: +86-379-65163600
phone: +86-15036387078
envelope: sales@yujieindustry.com
fax:+86-379-65163600
address:No.9, Sanxi Road, Jianxi Industrial Park, Luoyang City, Henan, China 471003
whatsapp: 8615036387078
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